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kvasek [131]
3 years ago
11

Dana is riding her bike. She rides 20 miles in 2 hours, 30 miles in 3 hours, and 40 miles in 4 hours. Find the constant of prop

ortionality and write an equation to describe

Mathematics
1 answer:
AnnyKZ [126]3 years ago
5 0
10. 20/2 = 10
30/3=10
40/4=10

Y=10x
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A woman making $3000 per month has her salary reduced by 20% because of sluggish sales. One year later, after a dramatic improve
vichka [17]

Answer:

4%

Step-by-step explanation:

Since she first goes down 20% you would do 3000 times 20 which is 60000 and divided by 100 which is 600 and you would subtract 600 from 3000 which is 2400 and then you would multiply that by 30 which is 72000 and then you would divide by 100 which is 720 and add that to 2400 which is 3120 and to find the percent change from 3000 to 3120 you would subtract 3120 by 3000 which is 120 and you would divide that by 3000 which is 0.04 and multiply that by 100 which is 4 so the percent change would be 4%

8 0
3 years ago
Complete the like terms to create an equvalent expression:<br> -4r - 2r + 5
Marat540 [252]
-6r+5
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3 0
2 years ago
Which statement describes the function y = axn when a = 1 and n is odd?
kiruha [24]

Answer:

The graph is symmetric about the origin.

The graph does not pass through the origin.

Step-by-step explanation:

We're given:

  • the function y=axn
  • a = 1
  • n is odd

Because a = 1, then the given function can be rewritten as y = n.

  • The graph opens down

The function y = n will produce a horizontal line. Any function in the form of y = a single number, such as 4 or 9.3 will produce a horizontal line.

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This is true, given the graph is a horizontal line.

  • The graph does not pass through the origin.

This is also true. We're given that n is an odd number. The graph will only pass through the origin if n = 0, and 0 is even.

  • The graph has more than one x-intercept.

This would only be true when n = 0, and this isn't possible. So, no.

4 0
2 years ago
Read 2 more answers
8 and 1/5 + 4 and 2/5=?
Leviafan [203]
12 and 3/5 hope this helped
4 0
3 years ago
9x923 distributive property
Firlakuza [10]

Answer:

First break apart 923 into 900+20+3 then do 9 times 900,9 times 20 and 9 times 3. Then add all the products together to get your answer.

Step-by-step explanation:


8 0
2 years ago
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